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big: Add int_from_bytes_*.

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Jeroen van Rijn
2021-08-11 20:59:54 +02:00
parent ee24f2dd37
commit eb22a49b02
2 changed files with 182 additions and 10 deletions
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core/math/big/example.odin
+44 -7
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@@ -79,14 +79,22 @@ int_to_byte :: proc(v: ^Int) {
print("v: ", v);
fmt.println();
t := &Int{};
defer destroy(t);
if size, err = int_to_bytes_size(v); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
return;
}
b1 := make([]u8, size, context.temp_allocator);
err = int_to_bytes_big(v, b1);
int_from_bytes_big(t, b1);
fmt.printf("big: %v | err: %v\n", b1, err);
int_from_bytes_big(t, b1);
if internal_cmp_mag(t, v) != 0 {
print("\tError parsing t: ", t);
}
if size, err = int_to_bytes_size(v); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
@@ -96,6 +104,12 @@ int_to_byte :: proc(v: ^Int) {
err = int_to_bytes_big_python(v, b2);
fmt.printf("big python: %v | err: %v\n", b2, err);
if err == nil {
int_from_bytes_big_python(t, b2);
if internal_cmp_mag(t, v) != 0 {
print("\tError parsing t: ", t);
}
}
if size, err = int_to_bytes_size(v, true); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
@@ -105,10 +119,10 @@ int_to_byte :: proc(v: ^Int) {
err = int_to_bytes_big(v, b3, true);
fmt.printf("big signed: %v | err: %v\n", b3, err);
t := &Int{};
int_from_bytes_big(t, b3, true);
defer destroy(t);
print("t: ", t);
if internal_cmp(t, v) != 0 {
print("\tError parsing t: ", t);
}
if size, err = int_to_bytes_size(v, true); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
@@ -117,6 +131,11 @@ int_to_byte :: proc(v: ^Int) {
b4 := make([]u8, size, context.temp_allocator);
err = int_to_bytes_big_python(v, b4, true);
fmt.printf("big signed python: %v | err: %v\n", b4, err);
int_from_bytes_big_python(t, b4, true);
if internal_cmp(t, v) != 0 {
print("\tError parsing t: ", t);
}
}
int_to_byte_little :: proc(v: ^Int) {
@@ -125,6 +144,9 @@ int_to_byte_little :: proc(v: ^Int) {
print("v: ", v);
fmt.println();
t := &Int{};
defer destroy(t);
if size, err = int_to_bytes_size(v); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
return;
@@ -133,6 +155,10 @@ int_to_byte_little :: proc(v: ^Int) {
err = int_to_bytes_little(v, b1);
fmt.printf("little: %v | err: %v\n", b1, err);
int_from_bytes_little(t, b1);
if internal_cmp_mag(t, v) != 0 {
print("\tError parsing t: ", t);
}
if size, err = int_to_bytes_size(v); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
@@ -142,6 +168,12 @@ int_to_byte_little :: proc(v: ^Int) {
err = int_to_bytes_little_python(v, b2);
fmt.printf("little python: %v | err: %v\n", b2, err);
if err == nil {
int_from_bytes_little_python(t, b2);
if internal_cmp_mag(t, v) != 0 {
print("\tError parsing t: ", t);
}
}
if size, err = int_to_bytes_size(v, true); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
@@ -151,10 +183,10 @@ int_to_byte_little :: proc(v: ^Int) {
err = int_to_bytes_little(v, b3, true);
fmt.printf("little signed: %v | err: %v\n", b3, err);
// t := &Int{};
// int_from_bytes_little(t, b3, true);
// defer destroy(t);
// print("t: ", t);
int_from_bytes_little(t, b3, true);
if internal_cmp(t, v) != 0 {
print("\tError parsing t: ", t);
}
if size, err = int_to_bytes_size(v, true); err != nil {
fmt.printf("int_to_bytes_size returned: %v\n", err);
@@ -163,6 +195,11 @@ int_to_byte_little :: proc(v: ^Int) {
b4 := make([]u8, size, context.temp_allocator);
err = int_to_bytes_little_python(v, b4, true);
fmt.printf("little signed python: %v | err: %v\n", b4, err);
int_from_bytes_little_python(t, b4, true);
if internal_cmp(t, v) != 0 {
print("\tError parsing t: ", t);
}
}
demo :: proc() {